#include<stdio.h>
int main()
{
	int profit =0;
	int bonus =0;
scanf("%d",&profit);
if(profit<=100000){
	bonus=profit*0.1;}
	else if(profit<=200000){
		bonus=100000*0.1+(profit-100000)*0.075;	}
	else if(profit<=400000){
		bonus=100000*0.1+100000*0.075+(profit-200000)*0.05;	}	
	else if(profit<=600000){
		bonus=100000*0.1+100000*0.075+200000*0.05+(profit-400000)*0.03;	}
	else{bonus=100000*0.1+100000*0.075+200000*0.05+200000*0.03+(profit-600000)*0.015;
	}	
printf	("bonus=%d\n",bonus);
return 0;
}
